Build a stronger unboxing experience with factory-made corrugated mailer boxes engineered for shipping protection, premium brand presentation, and scalable production for global buyers. Kingwin Paper manufactures fully customizable corrugated mailer packaging with consistent quality, stable capacity, and reliable lead times—ideal for subscription boxes, eCommerce fulfillment, and retail-ready unboxing. Manufactured in China and shipped worldwide, our eco-friendly solutions support both growing brands and established programs, with low MOQs available for startups and fast-moving product launches.
Your Trusted Manufacturing Partner in China
At Kingwin Paper, we specialize in designing, manufacturing, and distributing custom corrugated cardboard floor displays for global retail environments. Based in Shenzhen, China, we offer global clients factory-direct pricing without compromising on quality.
Our displays are designed to position your products at eye level with vivid, custom-designed imagery that attracts and retains customer interest. Whether you need a simple bin or a complex structural masterpiece, our engineering team brings your vision to life.
As a leading manufacturer based in Shenzhen, China, we provide integrated design, manufacturing, and distribution services, delivering high-quality custom solutions for retail environments.
Located in Shenzhen, we handle everything under one roof: Prototyping, design, printing, manufacturing, and distribution. No outsourcing means better quality control and lower costs.
We invest in direct-to-corrugate High Speed Digital Printing, alongside traditional Lithography and Flexography. This allows for vibrant graphics, shorter lead times, and cost-effective short runs.
Our experienced design team turns your doodles into reality. We ensure your displays are "Retailer Compliant", meeting strict guidelines for size, weight, and durability for major retail chains.
Sustainability is key. Our displays are made from 100% recyclable corrugated cardboard containing 60% to 95% post-consumer waste.
We offer flexible packing options: flat packed, pre-assembled, or pre-filled with your products (co-packing) to save you time and labor at the retail level.
With years of export experience, we understand international logistics. We ensure your custom displays arrive safely and on time, anywhere in the world.
From concept to completion, we guide you every step of the way
We understand your vision and retail requirements.
Structural design and 3D rendering for approval.
White sample for structure & print proof for color.
High-quality production in our Shenzhen factory.
Assembly, packing, and global shipping.
We focus on manufacturability: consistent board, stable color, clean creases, and efficient packing for outbound logistics.
Choose board grade and flute for protection, weight, and unboxing experience.
CMYK and spot color workflows with proofing to minimize surprises at scale.
Clean edges, accurate folds, and consistent fit for inserts and closures.
Right flute + right board = better drop performance and fewer returns.
Flat-packed shipping, master carton planning, and palletization support.
Artwork checklist, production approval flow, and lot traceability options.
Corrugated cardboard mailer boxes are engineered with flute structures to provide cushioning and stacking strength. Material choice should match product weight, drop risk, and warehouse stacking requirements.
Great print surface and clean edges—popular for premium mailers and retail-like unboxing.
Balanced strength and thickness—widely used for e-commerce shipping and subscription boxes.
Higher cushioning and crush resistance—recommended for heavier items or longer shipping lanes.
The best mailer box is not always the thickest one. We balance protection, print quality, and total landed cost.
Great for natural branding and durable transit performance. Popular for eco-forward DTC brands.
Sharper graphics and higher color contrast for premium brand visuals.
A premium unboxing feel with a clean interior backdrop for your products.
Common questions from our clients
Expert insights and technical information about custom mailer boxes
Mailer boxes are self-locking cardboard boxes specifically designed for shipping products directly to consumers. They feature a fold-over lid design that eliminates the need for additional tape or adhesive, making them ideal for e-commerce fulfillment and subscription services.
The corrugated construction provides excellent protection during transit while maintaining a lightweight profile that minimizes shipping costs. Their flat-packed nature also allows for efficient storage before use.
Selecting the proper mailer box size is crucial for product protection and cost efficiency:
File Requirements:
Design Tips: Bold colors and simple graphics reproduce best on corrugated surfaces. Our design team can optimize your artwork for maximum impact.
Kingwin Paper is committed to environmental responsibility:
Every batch undergoes rigorous testing:
Typical Lead Times:
Rush orders available for urgent requirements with expedited fees.
